Human Metapneumovirus (HMPV) causes respiratory infections, mainly affecting young children and the elderly. It is spread ...
Red tide is caused by a harmful algae bloom. It can bring respiratory problems and even fish kills in high concentrations.
A view of the settlement of Maale Adumim and the E1 area of Jerusalem, 2 November 2011. Mahmoud illean / Demotix/Demotix / Press Association Images.
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